Arsenic Eating Microbe Discovered

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Blind Biologist Finds Clues to Human Societies in Shells

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S. Koreans Report Stem-Cell Production Advance

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Researchers Report Advance in Stem Cell Production

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Fuel Tank Issue Delays NASA Shuttle Launch

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NASA Said to Be Loosening Safety Standards for Shuttle

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Fancy Footwork: Octopuses Go Bipedal

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Looking at Planets Beyond the Solar System

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Studies: Human Response Won't Stop Global Warming

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Albert Einstein's Year of Miracles: Light Theory

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Bush Taps Griffin as NASA Chief

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Limits on Star Size

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Studies Find High Mercury Levels in the Wild

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